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23231763458 = 21077772
BaseRepresentation
bin10101101000101110…
…001001010000000010
32012222001122212021122
4111220232021100002
5340034312412313
614401133152242
71451463505541
oct255056112002
965861585248
1023231763458
1199417a7812
12460432b682
1322630b7cc7
1411a55bc158
1590e840708
hex568b89402

23231763458 has 6 divisors (see below), whose sum is σ = 34847968521. Its totient is φ = 11615773952.

The previous prime is 23231763449. The next prime is 23231763461. The reversal of 23231763458 is 85436713232.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21958201489 + 1273561969 = 148183^2 + 35687^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=107777.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 161666 + ... + 269442.

Almost surely, 223231763458 is an apocalyptic number.

23231763458 is a deficient number, since it is larger than the sum of its proper divisors (11616205063).

23231763458 is an frugal number, since it uses more digits than its factorization.

23231763458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215556 (or 107779 counting only the distinct ones).

The product of its digits is 725760, while the sum is 44.

The spelling of 23231763458 in words is "twenty-three billion, two hundred thirty-one million, seven hundred sixty-three thousand, four hundred fifty-eight".

Divisors: 1 2 107777 215554 11615881729 23231763458